My second attempt to make a map in 30 minutes, this time failing and taking 56 minutes and 37 seconds, but yielding a pretty darn good 1-on-1 map!
Any more than 2 people and... I don't even want to think about it.
Sporting a ramp, reactor core, crates, weapons, and explosive machinery (eek!), this map is entertainment for a little while.
Apart from that, it looks pretty sound for 56 minutes, The top of your reactor core not being a func_xxx entity, or a unit off the ceiling splits the roof into heaps of textured polygons... but then again, as you say, more than two players is not worth thinking about, so r_speeds are a mute point. Anyway all you would have to do is shoot a blue crate, and end it all.
The lighting is a bit bright, but good. The slime seems to move well, and the reactor looks good.
Try taking 57 minutes next time?
I like it and I gave it a good review.
Exploding stuff was a nice surprise!